For only drawn cup needle roller bearings, needle roller bearings due to the thin outer wall LZ-3224, do not hand a hammer to install, use press pushed. Because the hand hammer needle bearing outer ring produce local deformation. Playing, uneven pressure needle roller bearings LZ-22, easy to make with needle bearings in the journal slowly move inward, auxiliary rollers or secondary sleeve will slowly withdraw needle roller bearings, mounted to work until the position is reached . KR and KR ... PP curve roller in KR, KR ... PP curve needle roller bearings in the LZ-25, there is a cage-guided needle, while the outer ring is guided through a ring axial bolt. For heavy loads and medium speed. Because there is more grease inside the bearing storage space, so the lubrication intervals have been extended. KR ... PP curve wheel in contact with the seal structure. Use of -30 ℃ -100 ℃. Needle Roller Bearings LZ-3224_ governance (Online) _ Needle roller bearings supplied by Linqing municipal and needle roller bearings plant. Linqing municipal and needle roller bearings plant (www.zhgzzc.com) (www.zhgzzc.net) Shandong Liaocheng, other leaders, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, the maximum meet customer needs. Needle in governance and leadership with the staff warmly welcome all inquiries negotiations to create a better future governance and needle.